Japan Handball League was created in 1976.
Japan Football League was created in 1999.
Japan Soccer League was created in 1965.
Young Communist League of Japan was created in 1925.
Japan Ice Hockey League was created in 1966.
Japan Amateur Radio League was created in 1926.
Japan Revolutionary Communist League was created in 1957.
Japan Labour Union League was created in 1926.
Japan Revolutionary Communist League - Revolutionary Marxist Faction - was created in 1963.
All Japan Regional Football Promotion League Series was created in 1977.
Japan Soccer League ended in 1992.
Japan walked out.